be+helpful+to还是for

丘虹刷1426已知H2和He的相对分子质量分别为2和4.2 g H2与2 g He混合后体系的...
钭侵夜15997243006 ______[答案] 供参考 这里何以用 as,which 或 that 不可以用 what 用which或that 便构成代名词的从句 即 which/that are considered helpful to others 而 which 及 that 是指 criticisms 如果用 what 就会变成 名词短句 而在这句子中便要做宾语 若要符合语法 原句将会改为 ...

丘虹刷1426T___ - is the fifth day of the week.根据首字母填空 -
钭侵夜15997243006 ______[答案] Thursday 本来我想是周五Friday的,但是想想周日是一周的开始的话 那么第五天就是周四Thursday

丘虹刷1426Among the friends,a very beautiful and helpful girl( )yang yang is my best friend. -
钭侵夜15997243006 ______[答案] named 叫做

丘虹刷1426that might really____(help).是用help还是helpful,我自己觉得用helpful,不是形容词修饰副词吗? -
钭侵夜15997243006 ______[答案] help是不及物动词,“起作用,帮上忙”. might是情态动词,可以接动词原型 that主语 help谓语 大意:那可能真的会有用.

丘虹刷1426发现干某事怎么样用什么时态另外举个列子帮忙看看这个例子中have为什么用having She added that having conversations with friends was not helpful at all -
钭侵夜15997243006 ______[答案] find sb do / doing sth 本句中,having conversations是宾语从句中“ing 分词短语作主语”

丘虹刷1426No.it isn't.和yes,it is.这两句的意思是? -
钭侵夜15997243006 ______[答案] No.it isn't.不,它不是. yes,it is.是的,它是.

丘虹刷1426I couldn't wait to - ______tothetop -
钭侵夜15997243006 ______[选项] A. drive B. j I couldn't wait to _______tothetop A.drive B.jump C. ride D. climb

丘虹刷1426He wasn't asked to take on the chairmanship of the society,_____ - insufficiently popular with all members.[A] being considered[B] considering[C] to be ... -
钭侵夜15997243006 ______[答案] 首先,一定是个被动语态.＂被考虑“.属于正在进行的时态.”正在被别人考虑到,人数不足的问题“.being Considered.这个用法是对的.举个例子Being asked the right way to Crown Plaza hotel by the British man,the you...